diff --git a/bazel/labgrid/strategy/BUILD.bazel b/bazel/labgrid/strategy/BUILD.bazel
index 61fa29fc5fd716c2f93a288bad067b3f0556ecbf..43ba4cb69cf9a18220837b2cf0cba65eff180fcf 100644
--- a/bazel/labgrid/strategy/BUILD.bazel
+++ b/bazel/labgrid/strategy/BUILD.bazel
@@ -3,13 +3,13 @@ load("@rules_python//python:defs.bzl", "py_library", "py_test")
 py_library(
     name = "strategy",
     srcs = [
-        "qemu/strategy.py",
         "__init__.py",
+        "qemu/strategy.py",
     ],
+    visibility = ["//visibility:public"],
     deps = [
-        "//labgrid:pkg"
+        "//labgrid:pkg",
     ],
-    visibility = ["//visibility:public"],
 )
 
 py_test(
diff --git a/bazel/labgrid/strategy/qemu/strategy.py b/bazel/labgrid/strategy/qemu/strategy.py
index ef4be44282e61a74e173520bfcd97b693fb5fe9b..28b071fa1ca22c6395fad461f5cb703d44ec7b19 100644
--- a/bazel/labgrid/strategy/qemu/strategy.py
+++ b/bazel/labgrid/strategy/qemu/strategy.py
@@ -2,11 +2,11 @@ import enum
 
 import attr
 
-from labgrid.step import step
-from labgrid.strategy import Strategy, StrategyError
 from labgrid.driver.qemudriver import QEMUDriver
 from labgrid.driver.shelldriver import ShellDriver
 from labgrid.factory import target_factory
+from labgrid.step import step
+from labgrid.strategy import Strategy, StrategyError
 
 
 class Status(enum.Enum):
@@ -17,10 +17,7 @@ class Status(enum.Enum):
 
 @target_factory.reg_driver
 class QEMUStrategy(Strategy):
-    bindings = {
-        "qemu": QEMUDriver,
-        "shell": ShellDriver
-    }
+    bindings = {"qemu": QEMUDriver, "shell": ShellDriver}
 
     status = attr.ib(default=Status.unknown)
 
@@ -49,7 +46,5 @@ class QEMUStrategy(Strategy):
             # Wait until booted
             self.target.activate(self.shell)
         else:
-            raise StrategyError(
-                f"no transition found from {self.status} to {status}"
-            )
+            raise StrategyError(f"no transition found from {self.status} to {status}")
         self.status = status
diff --git a/labgrid/executor/executor.py b/labgrid/executor/executor.py
index b5a0738b70219611165c01eb15b37eca0675dde8..9cc59d60354e3cd9a3dda663bd3c9b01448e4b92 100644
--- a/labgrid/executor/executor.py
+++ b/labgrid/executor/executor.py
@@ -14,6 +14,7 @@ from subprocess import CalledProcessError, run
 from sys import argv, stderr
 
 from python.runfiles import Runfiles
+
 from bazel.labgrid.executor.manager import Manager
 
 
@@ -99,6 +100,7 @@ def main(exe: Path, *args: str) -> int:
 
     return 0
 
+
 def resolve_runfile(value):
     r = Runfiles.Create()
     location = r.Rlocation(value)
@@ -106,6 +108,7 @@ def resolve_runfile(value):
         return location
     return value
 
+
 def entry():
     exit(main(Path(argv[0]), *argv[1:]))
 
diff --git a/labgrid/manager/passthrough.py b/labgrid/manager/passthrough.py
index 4f0fe402b935bc13fdd160952a3bcfa83c599bc7..cf7bb4c8ed9b9ad746f3f79fb48fa0a14491eb68 100644
--- a/labgrid/manager/passthrough.py
+++ b/labgrid/manager/passthrough.py
@@ -3,7 +3,6 @@ from __future__ import annotations
 from contextlib import contextmanager
 from typing import Iterator
 
-
 from bazel.labgrid.executor.manager import Data
 
 
@@ -12,4 +11,4 @@ def manager() -> Iterator[Data]:
     """
     A passthrough LabGrid context manager
     """
-    yield Data(env = {})
+    yield Data(env={})
diff --git a/qemu/seed/image/main.py b/qemu/seed/image/main.py
index 9ea9fe0d9e566b255f04d4bf9e706bb5ff25fa46..472a70fc262b04608115cfd5da3ccca518324596 100755
--- a/qemu/seed/image/main.py
+++ b/qemu/seed/image/main.py
@@ -1,7 +1,8 @@
-import paramiko
+import io
 from argparse import ArgumentParser, ArgumentTypeError
+
+import paramiko
 import pycdlib
-import io
 
 
 def arguments(prsr: ArgumentParser) -> None: